SR 173 Grove City over Black Run
PoorMercer County, Pennsylvania · Wolf Creek Township · Structure no. 000000000025827
- Built
- 1923
- 102 years old, rebuilt 1963
- Condition
- Poor
- inspected June 2023
- Type
- Tee Beam
- Concrete
- Length
- 36 ft
- 1 main span
- Daily traffic
- 3,657
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 173 Grove City over Black Run is a concrete tee beam carrying SR 173 Grove City over Black Run in Mercer County, Pennsylvania. It was built in 1923 and reconstructed in 1963, so it is 102 years old, older than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 3,657 vehicles a day, roughly 12% of them trucks, projected to reach 4,746 by 2032. The structure is 36 ft (11 m) long and 42 ft wide. If it were closed, the detour would be 14.3 mi (23 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 173 Grove City over Black Run built?
It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1963.
What condition is SR 173 Grove City over Black Run in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.
How much traffic does SR 173 Grove City over Black Run carry?
About 3,657 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is SR 173 Grove City over Black Run?
The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 42 ft wide.
Who owns SR 173 Grove City over Black Run?
It is owned by the State Highway Agency.